PartsTable
Technical Data Sheet
Download PDF

LSA004120-18 — CAP,PILLOW BLOCK

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

LSA004120-18: CAP,PILLOW BLOCK.

The CAP,PILLOW BLOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3130-01-725-2989, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LSA004120-18
NSN: 3130-01-725-2989
FSC: 3130 — Bearings, Mounted
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberLSA004120-18
NSN3130-01-725-2989
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: LSA004120-18 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 7
LSA002879-67Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
R5531502A-18Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
754-8843798Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
R5531502-18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
754-8839761Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
754-8843798-67Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy LSA004120-18?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is LSA004120-18?
LSA004120-18 is a CAP,PILLOW BLOCK.
What parts can replace LSA004120-18?
There are 7 known substitutes for LSA004120-18: LSA002879-67, R5531502A-18, 754-8843798 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LSA004120-18?
LSA004120-18 is cataloged in the U.S. Government catalog under NSN 3130-01-725-2989. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LSA004120-18

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.